.game-box {
  width: 500px;
  height: 600px;
  border: 2px solid #000;
  margin: 20px auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.board-row {
  clear: both;
  content: "";
  display: table;
}

.item-list {
  display: flex;
  flex-wrap: wrap;
  width: 240px;
}
